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146051321 = 1323723357
BaseRepresentation
bin10001011010010…
…01000011111001
3101011211011202012
420231021003321
5244342120241
622254215305
73422262413
oct1055110371
9334734665
10146051321
1175495579
1240ab4535
1324348800
141557b9b3
15cc4e6eb
hex8b490f9

146051321 has 12 divisors (see below), whose sum is σ = 162431532. Its totient is φ = 131167296.

The previous prime is 146051317. The next prime is 146051327. The reversal of 146051321 is 123150641.

It can be written as a sum of positive squares in 6 ways, for example, as 4096 + 146047225 = 64^2 + 12085^2 .

It is not a de Polignac number, because 146051321 - 22 = 146051317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146051327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5426 + ... + 17931.

It is an arithmetic number, because the mean of its divisors is an integer number (13535961).

Almost surely, 2146051321 is an apocalyptic number.

It is an amenable number.

146051321 is a deficient number, since it is larger than the sum of its proper divisors (16380211).

146051321 is a wasteful number, since it uses less digits than its factorization.

146051321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23420 (or 23407 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 146051321 is about 12085.1694650923. The cubic root of 146051321 is about 526.6254337122.

The spelling of 146051321 in words is "one hundred forty-six million, fifty-one thousand, three hundred twenty-one".

Divisors: 1 13 37 169 481 6253 23357 303641 864209 3947333 11234717 146051321